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Pescos and Rays
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Discussion Starter · #1 ·
any one in the los angeles area know a good low budget engine builder? im looking to turn my weak kneed 400 to a 406 (since i cant afford a 409 hehehe). work outa the garage at home better for me maybe i can assist in the build up and save a lil cash. let me know what mechanics you go to im getting prices all over on rebuilds and build ups. or if you have a good running 327 for sale let me know. thanx for reading..... Rick
 

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isnt the bore price the same for what ever size?
 

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Pescos and Rays
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Discussion Starter · #4 ·
thanx homie but im on the west coast ans the shipping charges would be intense. it would make more sense to get a crate engine at that point. any one in the so cal area???
 

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Originally posted by fidy2chevy@Aug 18 2005, 07:46 AM~3649900
im looking to turn my weak kneed 400 to a 406 (since i cant afford a 409 hehehe).
I know there's a combo to make a 409 small block, I don't know the bore/stroke off hand though, and I don't have any of my books here. but if it's an impala you could run 409 flags and then when people laugh at you you could shut them up. :biggrin:
 

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took me way too long to figure out, but you can use a stock 400 crank and stock rods, with stock pin height 040 400 pistons.

stock 400 is 4.125Sx3.75B

.040 over = 4.165 bore,

(2.0825 ^2) X pi x 3.75 x 8 = ~408.7 ci

I'm fully going to build one one day now that I know it's just a 040 over 400. I bet there's hundreds of them out there that the owners don't even know they're 409s.
 
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